Analysis of interatomic Contacts of Structural Units in PDB entry:
4AIR


Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
For CSU analysis of other PDB entry

This page provides analyses of contacts formed by:
For analysis of ligand-protein contacts, use: 3D structure can be seen in additional window with STING software for 4AIR entry

There are 2 chains in PDB entry 4AIR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 3ASP 333
B
 PRO 4ASP 333
Residue contacts

1. List of contacts for up to 10 consecutive residues:
Chain ID from residue number to residue number


2. Detailed analyses of contacts for any single residue:
Residue number chain ID
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There are 34 helices in PDB entry 4AIR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 19Right-handed 310
Helix 2
2
A
43 45Right-handed 310
Helix 3
3
A
50 65Right-handed alpha
Helix 4
4
A
81 95Right-handed alpha
Helix 5
5
A
107 117Right-handed alpha
Helix 6
6
A
125 127Right-handed 310
Helix 7
7
A
128 144Right-handed alpha
Helix 8
8
A
150 174Right-handed alpha
Helix 9
9
A
190 201Right-handed alpha
Helix 10
10
A
241 245Right-handed 310
Helix 11
11
A
253 268Right-handed alpha
Helix 12
12
A
272 287Right-handed alpha
Helix 13
13
A
288 292Right-handed 310
Helix 14
14
A
304 308Right-handed 310
Helix 15
15
A
310 312Right-handed 310
Helix 16
16
A
313 321Right-handed alpha
Helix 17
17
A
327 331Right-handed 310
Helix 18
18
B
14 19Right-handed 310
Helix 19
19
B
43 45Right-handed 310
Helix 20
20
B
50 65Right-handed alpha
Helix 21
21
B
81 95Right-handed alpha
Helix 22
22
B
107 117Right-handed alpha
Helix 23
23
B
125 127Right-handed 310
Helix 24
24
B
128 144Right-handed alpha
Helix 25
25
B
150 174Right-handed alpha
Helix 26
26
B
190 201Right-handed alpha
Helix 27
27
B
241 245Right-handed 310
Helix 28
28
B
253 268Right-handed alpha
Helix 29
29
B
272 286Right-handed alpha
Helix 30
30
B
287 292Right-handed 310
Helix 31
31
B
304 308Right-handed 310
Helix 32
32
B
310 312Right-handed 310
Helix 33
33
B
313 322Right-handed alpha
Helix 34
34
B
327 331Right-handed 310
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There are 4 sheets in PDB entry 4AIR. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA,

There are 7 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
11 12first strand
Strand 2
B
24 26parallel
Strand 3
B
36 41anti-parallel
Strand 4
B
295 300parallel
Strand 5
B
180 184parallel
Strand 6
B
206 213parallel
Strand 7
B
247 252parallel
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There are 6 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
24 26first strand
Strand 2
A
36 41anti-parallel
Strand 3
A
295 300parallel
Strand 4
A
180 184parallel
Strand 5
A
206 213parallel
Strand 6
A
247 252parallel
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There are 4 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
120 124first strand
Strand 2
A
97 103parallel
Strand 3
A
74 78parallel
Strand 4
A
147 149parallel
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There are 4 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
120 124first strand
Strand 2
B
97 103parallel
Strand 3
B
74 77parallel
Strand 4
B
147 149parallel
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